Environmental Engineering Reference
In-Depth Information
30.
Which soil horizon contains the most nutrients for plant growth?
A.
O horizon
B.
A horizon
C.
E horizon
D.
B horizon
E.
R horizon
31.
Which soil horizon is considered parent material?
A.
O horizon
B.
A horizon
C.
E horizon
D.
B horizon
E.
R horizon
32.
Where is acid precipitation most commonly found?
A.
Downwind of industrial emissions
B.
Upwind of industrial emissions
C.
Where industrial emissions are released
D.
Where excessive fertilizer and pesticides are sprayed
